From cd2a1be9e0e3df34af4d4960c0e5486b259c5ebf Mon Sep 17 00:00:00 2001
From: ajugo <andrej.jugovic7@gmail.com>
Date: Tue, 4 Apr 2023 11:25:02 +0200
Subject: [PATCH] Fix linked protocol without linked_at [SCI-8255] (#5249)

---
 app/models/protocol.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/models/protocol.rb b/app/models/protocol.rb
index a3f6ea348..e9be27aa0 100644
--- a/app/models/protocol.rb
+++ b/app/models/protocol.rb
@@ -348,6 +348,8 @@ class Protocol < ApplicationRecord
   end
 
   def newer_than_parent?
+    return linked? if linked_at.nil?
+
     linked? && updated_at > linked_at
   end